Citazione APA

Charity Organization Society of the City of New York & Welfare Council of New York City. Directory of social agencies of the City of New York. Columbia University Press [etc.].

Stile di citazione Chicago

Charity Organization Society of the City of New York e Welfare Council of New York City. Directory of Social Agencies of the City of New York. New York: Columbia University Press [etc.].

Citazione MLA

Charity Organization Society of the City of New York e Welfare Council of New York City. Directory of Social Agencies of the City of New York. Columbia University Press [etc.].